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Other Financial Information (Schedule of Renewable Identification Numbers (RINs) and Other Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Other Financial Information [Abstract] |  |  |  |
Renewable Identification Numbers (RINs) sales | $ 43,868 | $ 36,248 | $ 82,643 | $ 73,847
Other | 702 | 664 | 2,168 | 1,613
Other operating revenues | $ 44,570 | $ 36,912 | $ 84,811 | $ 75,460

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- Definition Revenues from the sale of other goods or rendering of other services, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a),(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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